# Each symbol given below represents an algebraic expression: Experts pls answer ASAP.

Dear Student,
We have,
=Triangle + circle - square

$=\left(2{x}^{2}+3y\right)+\left(5{x}^{2}+3x\right)-\left(8{y}^{2}-3{x}^{2}+2x+3y\right)\phantom{\rule{0ex}{0ex}}=2{x}^{2}+5{x}^{2}+3{x}^{2}-8{y}^{2}+3x-2x+3y-3y\phantom{\rule{0ex}{0ex}}=10{x}^{2}-8{y}^{2}+x$

Regards!

• 1
HI,

ANSWER:?HERE ARE SOME QUESTIONS:-

1.?Find the area and perimeter of the following rectangles whose dimensions are:?

? (a) length = 17 m ? ? ? ?? breadth = 13 m?

? (b) length = 6.9 cm ? ? ? ?breadth = 5.1 cm?

? (c) length = 5 m ? ? ? ? ? ?breadth = 32 dm?

? (d) length = 9 hm ? ? ?? ? breadth = 7 dam?

2.The perimeter of a rectangle is 230 cm. If the length of the rectangle is 70 cm, find its breadth and area.?
?

3.?The area of a rectangle is 96 cm?. If the breadth of the rectangle is 8 cm, find its length and perimeter.?

4.?How many tiles whose length and breadth are 13 cm and 7 cm respectively are needed to cover a rectangular region whose length and breadth are 520 cm and 140 cm??

5.?Find the cost of tiling a rectangular plot of land 300 m long and 150 m wide at the rate of \$6 per hundred square m.?

6.?If it costs \$1600 to fence a rectangular park of length 20 m at the rate of \$25 per m?, find the breadth of the park and its perimeter. Also, find the area of the field.?

7.?How many rectangles can be drawn with 38 cm as perimeter? Also, find the dimensions of the rectangle whose area will be maximum.?

8.?The length of a rectangular wooden board is thrice its width. If the width of the board is 120 cm, find the cost of framing it at the rate of \$5 for 20 cm.?

• -1
Vunava
• -1
HI,

ANSWER:?HERE ARE SOME QUESTIONS:-

1.?Find the area and perimeter of the following rectangles whose dimensions are:?

? (a) length = 17 m ? ? ? ?? breadth = 13 m?

? (b) length = 6.9 cm ? ? ? ?breadth = 5.1 cm?

? (c) length = 5 m ? ? ? ? ? ?breadth = 32 dm?

? (d) length = 9 hm ? ? ?? ? breadth = 7 dam?

2.The perimeter of a rectangle is 230 cm. If the length of the rectangle is 70 cm, find its breadth and area.?
?

3.?The area of a rectangle is 96 cm?. If the breadth of the rectangle is 8 cm, find its length and perimeter.?

4.?How many tiles whose length and breadth are 13 cm and 7 cm respectively are needed to cover a rectangular region whose length and breadth are 520 cm and 140 cm??

5.?Find the cost of tiling a rectangular plot of land 300 m long and 150 m wide at the rate of \$6 per hundred square m.?

6.?If it costs \$1600 to fence a rectangular park of length 20 m at the rate of \$25 per m?, find the breadth of the park and its perimeter. Also, find the area of the field.?

7.?How many rectangles can be drawn with 38 cm as perimeter? Also, find the dimensions of the rectangle whose area will be maximum.?

8.?The length of a rectangular wooden board is thrice its width. If the width of the board is 120 cm, find the cost of framing it at the rate of \$5 for 20 cm.?

• -1
Dear student

The question is incomplete and unclear.
Please repost your question so that we can help you as soon as possible with the answer.
However, The gases like helium, hydrogen , nitrogen? are used for flying balloons.?

Regards
• -1
Dear student

The question is incomplete and unclear.
Please repost your question so that we can help you as soon as possible with the answer.
However, The gases like helium, hydrogen , nitrogen? are used for flying balloons.?

Regards..
• -1
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